When Ultrasound is discharged inside of human body, human tissue vibrates minutely and Multiple medical phenomenon is accompanied.

Almost every solid material has crystal structure and the crystal having electrical nonconductor characteristic of 20 asymmetrical determinant group among all 32 determinant group, has piezo electrical characteristic.

PZT which is ferroelectrics is crystalized by solid phase reaction through sintering and it has dipole arrangement as the bottom left stated picture.

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Piezo electric ceramic has weak tensile strength.

Various application field of Piezo electric ceramic